html,
body,
.h100 {
  min-height: 100%;
  height: 100%;
}
body {
  background-image: url('../images/timg.jpg');
  background-size: cover;
  color: #ffffff;
  /*remcss3新增计量单位，表示浏览器准字体大小的缩放倍数*/
  font-size: 2.5rem;
}

.div-main {
  /*压力布局*/
  display: flex;
  /*水平对齐居中*/
  justify-content: center;
  /*垂直对齐居中（又要高度）*/
  align-items: center;
 
}
.div-login{
  padding: 30px;
  width: 20%;
  border-radius:15px;
  box-shadow: 0px 0px 22px;
  background-color: rgba(0, 0, 0, 0.5);
  
}
.div-login input{
  background-color:rgba(12, 12, 0, 0.39);
  color: #ffffff;
  outline: none;
}
.div-login .title{
  padding-bottom: 20px;
}
